Pipe-organ stop-action



(No ModeL) 4 Sheets-Sheet 1.

J. WOODBERRY. PIPE ORGAN STOP ACTION.

No. 489,887. Patented Jan. 10, 1893.

(No Model.) I I 4 Sheets-Sheet 2. J. WOODBERRY.

PIPE ORGAN STOP ACTION. I No. 489,887. Patented Jan. 10, 1893.

WITNESEIEE '0 Nonms PETERS c0. Puma-U130. wnsnmnwn n c 4 Sheets-Sheet 3.

(No Model.)

J. WOODBERRY. PIPE ORGAN STOP ACTION.

Patented Jan 10, 1898.

m: mums FEVER! c0. momumc" vusmmun. u c.

lLhLlL-L 4 Sheets-Sheet 4.

Patented Jan. 10, 1893.

J. WOODBERRY.

III/I & Mill PIPE ORGAN STOP ACTION.

(No Model.)

lNrrnD STATES PATENT Fries.

JESSE VVOODBERRY, OF BOSTON, MASSACHUSETTS.

PIPE-ORGAN STOP-ACTION.

SPECIFICATION forming part of Letters Patent No. 489,887, dated January10, 1893.

Application filed October 1, 1892. Serial No. 447,565. (No model.)

To 601% whom it may concern.-

Be it known that I, J ESSE WooDBnnRY, a citizen of the United States,residing at Boston, in the county of Suffolk and State of Massachusetts,have invented certain Improvements in Pipe-Organ Stop-Actions, of whichthe following is a full, clear, and exact description, reference beinghad to the accompanying drawings, making part of this specification, inwhich Figure 1 is an elevation of a portion of the front of an organ,the upper part being broken away to show a portion of the mechanismbehind the same. Fig. 2 is asectional elevation of my stop-action. Fig.3 is a similar elevation showing the parts in a difierent position. Fig.4 is a front elevation of the crescendo pedal cam-cylinder and itsdriving belt. Fig. 5 is an enlarged vertical section on the line 5 5 ofFig. 4.

My invention relates to pipe-organ stop actions, in which the stops areoperated by key levers instead of by means of draw knobs or handles, andmy invention consists in certain novel combinations of parts and detailsof construction as hereinafter set forth and specifically claimed.

In the said drawings, A represents the front of a pipe-organ, B thekey-board, and O the keys.

1) are the register rods or stop-bars which control the stop-action,said rods being conneoted as usual to the slides or valves which are notshown in the drawings as they are of ordinary and well knownconstruction, and form no part of my present invention. The registerrods D are arranged parallel to each other and in the same horizontalplane, and each rod is provided with a retracting spring a, and isloosely connected by means of a screw wire 15 and nut 16 with the upperend of a leverE pivoted at its lower end at b to a longitudinalsupporting rail or bar 0, the wire 15 being free to slide through anaperture in the lever as far as permitted by the nut 16 and the end ofthe stop-bar D. The lever E is provided with an incline 18, againstwhich bears an anti-friction roll 20, at one end of a rocker arm orlever G fulcrumed at e, the opposite end of said leverbeingconneoted bya sticker-rod f with a key-lever H fulcrumed at g. At the end of eachlever H is to be inscribed the name of the stop withwhich it isconnected, and said levers project through the front of the organ andare located in a convenient position above the upper. row of keys O.YVhen a stop is to be thrown on its lever H is depressed, which movementcauses the lever G to be tilted downward at its front end, causing itsroll 20 to act upon the incline 18 and thus force the lever Einto theposition shown in Fig. 3, which will draw forward the register-rodconnected therewith, thus throwing on its stop as desired.

Each key-lever H is provided with a tripper lever 1, arranged directlythereover and fulcrumed at h to the rail 0. The front ends of thetripper levers I are provided with finger knobsdand the rear or innerend of each lever I supports a vertical sticker-rod 7c, the upper end ofwhich bears on the underside of the rocker lever G in front of itsfulcrum,being kept in line with said lever by a guide- Wire Z passingloosely through an aperture in said lever; thus when it is desired totake off a stop after it has been thrown on by depressing its key-leverH, it is merely necessary to press down the tripper lever I thereoverwith the finger, when the upper end of the sticker-rod 7o will raise thefront end of the lever G and cause its roll 20 to ascend the incline 18of the lever E into the position shown in Fig. 2, thus permitting theregisterrod D to be retracted by its spring a to take off the stopconnected therewith. As the front end of the lever G is raised, its rearend will force down the sticker-rod f, and thus return the key-lever Hto its normal position, shown in Fig. 2', while when the lever Hisdepressed as seen in Fig. 3 to throw on a stop, it will raise thetripper lever into a position ready to release the key-lever when it isrequired to again throw off the stop.

L is the full organ pedal, by means of which all the stops in theinstrument may be thrown on simultaneously. This pedal is connected by arod M with an arm 19 projecting from a roller N, the latter extendingentirely across the key board, and carrying arms m, upon which issecured a long wooden bar K arranged behind the upper ends of the entireseries of levers E and adapted, when the pedal L is depressed, to bebrought into contact with said levers E to force the same forwardagainst the influence of the register-rod retracting-springs a,and thussimultaneously throw on all of the stops as desired, the pedal L beingretained in its depressed position by a notch 21. When the pedal L isreleased, the springs a, will simultaneously take off all the stops at asingle movement and also return the levers E, pedal L, and partsconnected therewith to their original positions; and when said pedal Lis released, it will leave undisturbed any stop or combination of stopsthat may have been thrown on before said pedal was depressed.

P, Q, R, S, are fou r wide combination levers, which are pivoted attheir upper ends at to suitable supports within the organ casing, eachlever having connected with its lower end a pull-knob n, by which it maybe drawn forward when required. Certain combinations of speaking stopsare connected with said levers P, Q, R, S, by means of screw wires 23having nuts 24- at their ends, said wires 23 extending from said leversto the registenrod levers E and passing loosely through the same,whereby the lovers E are free to be moved forward separately orindividually by their respective key-levers II, or by the full organpedal L independently of said levers I, Q, R, S, while when one of saidlevers P, (2,11, S, is drawn forward by means of its pull-knob a, theparticular combination of stops connected therewith will be thrown onsimultaneously asrequired, the shank of the pull-knob a being providedwith a notch 25, whereby its combination lever may be retained in position when drawn forward against the resistance of the springs a of theregister-rods D with which it is connected.

The great organ stops are connected with the lever P, the swell organstops with the lever Q, the choir organ stops with the lever B, and thepedal organ stops with the lever S, and consequentlyany one of thesecombinations of stops can be thrown on by simply drawing forward thepull knob 91 of thecombinationleverbelongingthereto. The remainder ofthe stops, which are mechanical stops are not connected in groups, butare operated independently when required by their respective key-leversII.

The key board is provided with a flexible cover T similar to that of aroll-top desk.

\V is the crescendo pedal, by means of which all of the stops fromsoftest to loudest are successively thrown on, and taken off in reverseorder, said pedal being centrally pivoted at 26, and adapted to berocked or oscillated by the foot placed thereon.

A is a cam cylinder having its journals suitablysupportedin the frame orcasing B, said cylinder being provided around its periphery from end toend with a series of parallel grooves 19 in each of which runs a roll qmounted in the upper arm of a bell-crank '7' fulcrumed at 27, the lowerarm of said bellerank being connected with a horizontal sticker-rod s,the opposite end of which is provided witha wire 28 passing looselythrough the upper portion of one of the register-rod levers E, therebeing one of these rods 3 for each lever E. In line with each of thegrooves 21 is a cam t extending around that portion of the circumferenceof the cylinder not occupied by the corresponding groove 1), said camsbeing of different lengths the longest extending almost entirely aroundthe cylinder, while the remainder of said cams are made graduallyshorter and shorter, whereby as the cylinder A is rotated, the severalrolls (1 will successively ride up in their proper order onto the saidprogressive cams t, which will cause each bell-crank r to be rocked insuch manner as to push forward its sticker-rod .9 against the end of itslever E and thus force it in the proper direction to actuate theregister-rod connected therewith and thus throw on that particular stop,while when the cylinder A is rotated in the opposite direction, therolls q will successively drop off their cams 15 into the grooves 12 inreverse order, and thus permit the levers E to be drawn back by theirsprings a, to take off the stops in the reverse order to that in whichthey were thrown on.

Any stops that may have been thrown on previous to using the crescendopedal will remain undisturbed until taken off by releasing theirrespective key-levers ll, as the wires 28 of the sticker-rodss are freeto slide in the ends of the levers E as previously described.

The cam cylinder 1\' is rotatedin either direction to produce thecrescendo effect by means of a driving belt D passing over a sprocketwheel a on the shaft 1) of the cylinder A and a corresponding sprocketwheel 0 mounted on a stud (Z projecting from the casing. The belt D ispreferably composed of two thicknesses of leather, the outer one beingthin, while the inner one is thick, and is provided with a series ofholes forming recesses f, Figs. 4 and. 5, with which engage the teeth ofthe wheels a, 0, whereby as the belt is moved in either direction, itsmotion will be communicated through the wheel a to the cam cylinder A.The two thicknesses of leather composing the belt D are glued orcemented together and further secured by rivets 3O placed between therecesses f as shown in Figs. 4 and 5.

E is a rockerlever fulcrumed at g and having one end connected with thecrescendopedal \V by a vertical rod h. To the opposite end of the leverE is pivoted an upright bar G provided at its upper end with two pusherarms 2'', k, inclined outwardly in opposite directions as shown in Figs.2 and 3, and adapted, according to the position of the bar G, tosuccessively engage the recesses f on one or the otherof the oppositeinner sides of the belt D when said bar G is moved up and down by therocking movement of the lever E produced by oscillating the crescendopedal \V with the foot. By making the driving belt D of leather, nonoise is produced IIO by its passage over the toothed wheels a, c, orthe engagement of the arms 2', 7a, with the recesses f of the belt. Tothe bar G is secured arod or wire Z, which is connected with abell-crank m, the latter connected by a wire a with abell crank 19, theupper arm of which is connected with a draw-pull g provided with a notch3l,-by which it may be held in position when drawn out against theresistance of a retracting spring 0" connected with the bar G. When thedraw-pull q is retracted by the spring r, as shown in Fig. 2, the arm 1"of the bar G is in a position to successively engage the recesses f, onthe inner side of the rear portion of the belt D as said bar G isalternately raised and depressed by the movement of the crescendo pedalW, whereby the belt is moved in the proper direction to rotate thecylinder A in the direction of the arrow, which will cause the stops tobe thrown on successively in any desired order, according to thearrangement of the cams 6 on the cylinder A thus producing the desiredcrescendo effect. any portion of the stops have been successively thrownon in this manner, they can be taken off in reverse order by pulling outthe draw-knob q as shown in Fig. 3, which, through the connectionsdescribed, will draw the bar G over toward the front and cause its arm7c to engage with the recesses f on the inner side of the front portionof the belt B, when as the bar G is raised and depressed by the movementof the pedal W, the cam cylinder A will be rotated in a directioncontrary to the arrow, (Fig. 2) thus taking off the stops successivelyas required.

I'Vhat I claim as my invention and desire to secure by Letters Patentis:-

1. In a pipe-organ stop-action, the combination, with the register orstop-rods and their retracting springs, of the key-levers H, the leversE connected with the register rods and provided with inclines 18, therocker levers G adapted to act on said inclines to produce a forwardmovement of the register-rods to throw on the stops, said rocker leversbeing suitably connected with the key-levers H, and the tripper levers Iconnected with the rocker-levers G and adapted to actuate the same torelease the levers E and take off the stops connected therewith,substantially as described.

2. In a pipe-organ stop-action, the combination, with the register orstop-rods and their retracting springs, of the levers E connected withsaid register-rods and having the inclines 18, the rocker levers G, eachprovided at one end with a roll 20 adapted to act on the incline of itslever E to produce a forward movement of the register-rod connectedtherewith against the influence of its retracting spring, the key-leversH, the tripper levers I arranged thereover, and stickerrods f, 7t,extending from the levers H, I, to the rocker-levers G, said rods f, 70,being arranged on opposite sides of the fulcrums of After the whole orthe rocker-levers, whereby as each key-lever is depressed, its tripperlever will be raised, and conversely, substantially as set forth.

3. In a pipe-organ stop-action, the combination of the register-rods andtheir retracting springs, the levers E connected with the stop-rods bywires 15 and nuts 16, the rockerlevers 'G, key-levers H, tripper leversI, and suitable connections between said levers H, I, and the rockerlevers, G the full organ pedal L, rod M, arm 19, roller N, arms m, andbar K, the latter adapted to contact with the upper ends of the entireseries of levers E,

all constructed to operate substantially as and for the purpose setforth.

at. In a pipe-organ stop-action, the combination of the register-rodsand their retracting springs, the levers E connected with said registerrods, the key-levers and the tripper levers, the rocker levers G andsuitable connections between said rocker arms and the key-levers andtripping levers, and a series of combination-levers provided with drawknobs or operating handles, each combination-lever having independentloose or sliding connections with a portion of said levers E, forming adesired combination of stops, whereby the combination of stops connectedwith any one of said combination-levers may be simultaneously throwninto or out of action by a movement of said combination lever,substantially as set forth.

5. In a pipe-organ stop-action, the combination, with the register-rodsand a cam-cylinder provided with a series of progressive cams adapted,through suitable connections, to actuate said register-rods to throw thestops connected therewith successively into or out of action, of adriving belt passing over supporting wheels or pulleys and adapted torotate the cam-cylinder, said belt being provided on its inner surfacewith recesses f, a vertically reciprocating tilting bar G provided withoutwardly inclined pusher arms 2", is, adapted to engage the recesses fon the opposite sides of the belt, the crescendo pedal, and suitableconnections between the same and the bar G, and mechanism connected witha handle or pull-knob for tilting the bar G to bring either of its arms2" or 76 into engagement with the belt, whereby the cam-cylinder can berotated in either direction by the same movement of the crescendo pedal,substantially as and for the purpose set forth.

6. In a pipe-organ stop-action, the combination of the registenrods andtheir retracting springs, the levers Econnected with said register rods,the cam cylinder A. with its cams t, thebell-cranks r with their rollsq, the sticker-rods s pivoted to the bell-cranks and adapted to actuatethelevers E to throw on the stops, the belt D adapted to rotate thecamcylinderand provided onitsinner surface with recesses f, the tiltingvertically reciprocating bar G provided with outwardly inclined arms 2",adapted to engage the recesses f" IIO on opposite sides of the bolt, therocker lever ate substantially in the manner and for the [o E carryingsaid tilting bar G, the crescendo purpose set forth.

pedal \V connected with said rocker-lever, the Witness my hand this 22dday of Septemsprine; r, the pull-knob or handle q, and her, A. D. 1892.

5 suitable connections between said handle and q l a i v the tilting barG whereby the latter can be JEMSL UODIERRX moved to cause either arin Lor 71; to en- In presence of gage the belt as the bar G is reciprocatedby P. E. TESCHEMACHER,

the crescendo pedal, all constructed to oper- HARRY W. AIKEN.

